Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: None

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.73.52
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40076
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.73.52.			IN	A

;; AUTHORITY SECTION:
.			277	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 73 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:37:03 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 52.73.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 52.73.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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185.215.113.210 attackspam
2019-12-09T00:09:48.087122suse-nuc sshd[16967]: Invalid user super from 185.215.113.210 port 33080
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2020-01-21 08:25:09
184.69.74.2 attackbots
Unauthorized connection attempt detected from IP address 184.69.74.2 to port 2220 [J]
2020-01-21 08:36:48
27.44.13.104 attackspambots
Unauthorized connection attempt detected from IP address 27.44.13.104 to port 2220 [J]
2020-01-21 08:43:55
184.149.47.144 attackspambots
Invalid user jethro from 184.149.47.144 port 52473
2020-01-21 08:42:41
183.82.123.102 attack
2019-11-23T09:32:37.516750suse-nuc sshd[6951]: Invalid user ey from 183.82.123.102 port 60010
...
2020-01-21 08:52:43
183.82.0.15 attackspam
Unauthorized connection attempt detected from IP address 183.82.0.15 to port 2220 [J]
2020-01-21 08:56:10
183.88.177.252 attack
2019-12-16T14:55:55.264528suse-nuc sshd[6486]: Invalid user gregf from 183.88.177.252 port 50626
...
2020-01-21 08:50:37
185.151.6.252 attackspam
2020-01-04T14:47:39.512026suse-nuc sshd[14673]: Invalid user efr from 185.151.6.252 port 38224
...
2020-01-21 08:30:17
190.139.233.230 attackspambots
Jan 21 00:58:45 vpn01 sshd[6813]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.139.233.230
Jan 21 00:58:47 vpn01 sshd[6813]: Failed password for invalid user as from 190.139.233.230 port 58100 ssh2
...
2020-01-21 08:29:51
183.87.157.202 attackspam
2019-10-20T22:40:58.804678suse-nuc sshd[2194]: Invalid user rust from 183.87.157.202 port 58946
...
2020-01-21 08:51:53
183.66.137.10 attackbotsspam
2020-01-05T19:13:24.951544suse-nuc sshd[3128]: Invalid user wocloud from 183.66.137.10 port 49908
...
2020-01-21 08:57:36
198.108.67.37 attack
" "
2020-01-21 08:58:01
190.124.109.121 attackbotsspam
Unauthorized connection attempt detected from IP address 190.124.109.121 to port 23 [J]
2020-01-21 08:42:28
183.62.139.167 attack
Unauthorized connection attempt detected from IP address 183.62.139.167 to port 2220 [J]
2020-01-21 08:58:50
103.3.226.230 attackbots
Jan 21 01:16:26 meumeu sshd[32122]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.3.226.230 
Jan 21 01:16:28 meumeu sshd[32122]: Failed password for invalid user admin from 103.3.226.230 port 48168 ssh2
Jan 21 01:19:43 meumeu sshd[32730]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.3.226.230 
...
2020-01-21 08:34:15

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